Home / 181,444.40-272,134.20-114,765.20

Finding the Fourth Proportional to 181,444.40, 272,134.20 and 114,765.20

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Solution

The fourth proportional to 181,444.40, 272,134.20 and 114,765.20 is: 172,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,444.40 : 272,134.20 = 114,765.20 : x
  2. Step 2: Convert to fraction form
    181,444.40/272,134.20 = 114,765.20/x
  3. Step 3: Cross multiply
    181,444.40x = 272,134.20 × 114,765.20
  4. Step 4: Simplify right side
    181,444.40x = 31,231,535,889.84
  5. Step 5: Solve for x
    x = 31,231,535,889.84/181,444.40
  6. Step 6: Final answer
    x = 172,127.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.